<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			div {
				width : 100px;
				height : 100px;
				background-color: blue;
			}
			#div2 {
				background-color: green;
			}
			.style2 {
				margin-top: 2px;
				margin-bottom: 2px;
				background-color: red;
			}
		</style>
	</head>
	<body>
		<div></div>
		<div class="style2" id="div2"></div>
		<div></div>
	</body>
</html>
